Power driven ski vehicle



FIG. 1 is a perspective view of a power driven ski vehicle showing ournew design;

FIG. 2 is a side elevational view;

FIG. 3 is a side elevational view showing the side opposite of thatshown in FIG. 2; and

FIG. 4 is a rear perspective view.

The ornamental design for a power driven ski vehicle, substantially as shown and described. 